Table 1. Taxonomy applied to scenarios.

Scenario	Taxonomy criteria*
	Avtar Types	Flexibility	Fidelity	Interaction
Commerce	3D, VR, DH	CU	HF, LL	GUI, FB
Navigation	2D	H/SD	AB, LF	GUI
Personal	3D, VR, DH	PD, CU	HF, PR	FE, H
Classroom	2D, 3D, VR	H/S/PD	LF	CH, GUI
Workspace	3D, VR, DH	H/S/PD	HF, PR	CH, FE, FB
Social event	VR, DH	CU	LF, LL	FB
Industrial	3D, VR	PD	AB, LF	GUI, HL

Abbreviation. (DH) Digital Human, (CU) Customization, (HD) Hardware Dependency, (SD) Software Dependency, (PD) Platform Dependency, (HF) High-Fidelity, (LL) Life-Like, (AB) Abstract, (PR) Photo Realistic, (FB) Full-Body, (HL) Hands & Limbs, (CH) Chat, (FE) Facial Expression.